Question

Efetue:
(4)²  - √1  
 9        36

Answer 1

$\boxed{(\frac{4}{9})^2-\sqrt{\frac{1}{36}}=\frac{16}{81}-\frac{1}{6}=\frac{32-27}{162}=\frac{5}{162}}$

Answer 2

$\boxed{( \frac{4}{9} )^2 - \sqrt{ \frac{1}{36} }= \frac{16}{81}- \frac{1}{6}= \frac{32-27}{162}= \frac{5}{162}}$